What side effects may I notice from receiving Zetia?

Side effects that you should report to your doctor or health care professional as soon as possible:
-allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
-dark yellow or brown urine
-unusually weak or tired
-yellowing of the skin or eyes

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
-diarrhea
-dizziness
-headache
-stomach upset or pain

This list may not describe all possible side effects for Zetia. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.